Neon sign



FIG. 1 is a front view of the neon sign;

FIG. 2 is a top view of the neon sign.

FIG. 3 is a rear view of the neon sign.

FIG. 4 is a bottom view of the neon sign.

FIG. 5 is a front end view of the neon sign; and,

FIG. 6 is a rear end view of the neon sign.

The broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a neon sign, substantially as shown and described. 